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Overview
| Comment: | Ensure that the sqlite3_value_text() interface returns a buffer that is long enough to hold the complete string plus the zero terminator even when the input is a zeroblob. Fix for a problem detected by OSS-Fuzz. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 2dc7eeb5b4d2eaf1d843eda56f339fd4cc80d78e |
| User & Date: | drh 2017-01-05 07:58:29 |
Context
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2017-01-05
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| 13:52 | Ensure that the sqlite3_value_text() interface returns a buffer that is long enough to hold the complete string plus the zero terminator even when the input is a zeroblob. Fix for a problem detected by OSS-Fuzz. check-in: ca185808 user: drh tags: branch-3.16 | |
| 13:50 | Fix problems in trigger and foreign key handling when doing REPLACE on a WITHOUT ROWID table that has no secondary indexes. Fix for ticket [30027b613b4]. check-in: 571f166e user: drh tags: trunk | |
| 07:58 | Ensure that the sqlite3_value_text() interface returns a buffer that is long enough to hold the complete string plus the zero terminator even when the input is a zeroblob. Fix for a problem detected by OSS-Fuzz. check-in: 2dc7eeb5 user: drh tags: trunk | |
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2017-01-04
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| 14:53 | Adjust filename creation in test_sqllog.c so that it uses leading zeros on counters, so that files appear in order when sorted lexicographically. check-in: 8d670973 user: drh tags: trunk | |
Changes
Changes to src/vdbemem.c.
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static SQLITE_NOINLINE const void *valueToText(sqlite3_value* pVal, u8 enc){
assert( pVal!=0 );
assert( pVal->db==0 || sqlite3_mutex_held(pVal->db->mutex) );
assert( (enc&3)==(enc&~SQLITE_UTF16_ALIGNED) );
assert( (pVal->flags & MEM_RowSet)==0 );
assert( (pVal->flags & (MEM_Null))==0 );
if( pVal->flags & (MEM_Blob|MEM_Str) ){
pVal->flags |= MEM_Str;
if( pVal->enc != (enc & ~SQLITE_UTF16_ALIGNED) ){
sqlite3VdbeChangeEncoding(pVal, enc & ~SQLITE_UTF16_ALIGNED);
}
if( (enc & SQLITE_UTF16_ALIGNED)!=0 && 1==(1&SQLITE_PTR_TO_INT(pVal->z)) ){
assert( (pVal->flags & (MEM_Ephem|MEM_Static))!=0 );
if( sqlite3VdbeMemMakeWriteable(pVal)!=SQLITE_OK ){
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> |
1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 |
static SQLITE_NOINLINE const void *valueToText(sqlite3_value* pVal, u8 enc){
assert( pVal!=0 );
assert( pVal->db==0 || sqlite3_mutex_held(pVal->db->mutex) );
assert( (enc&3)==(enc&~SQLITE_UTF16_ALIGNED) );
assert( (pVal->flags & MEM_RowSet)==0 );
assert( (pVal->flags & (MEM_Null))==0 );
if( pVal->flags & (MEM_Blob|MEM_Str) ){
if( ExpandBlob(pVal) ) return 0;
pVal->flags |= MEM_Str;
if( pVal->enc != (enc & ~SQLITE_UTF16_ALIGNED) ){
sqlite3VdbeChangeEncoding(pVal, enc & ~SQLITE_UTF16_ALIGNED);
}
if( (enc & SQLITE_UTF16_ALIGNED)!=0 && 1==(1&SQLITE_PTR_TO_INT(pVal->z)) ){
assert( (pVal->flags & (MEM_Ephem|MEM_Static))!=0 );
if( sqlite3VdbeMemMakeWriteable(pVal)!=SQLITE_OK ){
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